Acura RSX Honda Integra. Manual — part 65
01
S6M6A11A20336335001KDAT00
Exploded View - K20A3 Engine
9-2
Intake Manifold and Exhaust System
Intake Manifold Removal and Installation
THROTTLE BODY
GASKET
INTAKE MANIFOLD
O-RING
INJECTOR BASE
O-RINGS
8 x 1.25 mm
22 N·m (2.2 kgf·m, 16 lbf·ft)
6 x 1.0 mm
9.8 N·m
(1.0 kgf·m, 7.2 lbf·ft)
8 x 1.25 mm
22 N·m
(2.2 kgf·m, 16 lbf·ft)
8 x 1.25 mm
22 N·m
(2.2 kgf·m, 16 lbf·ft)
Replace.
Replace if cracked or
if mating surface is
damaged.
Replace.
Replace if cracked or
if mating surface is
damaged.
Replace.
03
04
06
07
Removal - K20A3 Engine
9-3
A
B
C
A
C
D
B
B
A
1. Remove the intake manifold cover.
2. Disconnect the intake air temperature (IAT) sensor
connector (A), and remove the breather hose (B),
then remove the air cleaner housing (C).
3. Remove the throttle cover (A). Fully open the
throttle link and cruise control link by hand, then
remove the throttle cable (B) and cruise control
actuator cable (C) from the links. Loosen the
locknuts (D), and remove the cables from the
bracket.
4. Remove the evaporative emission (EVAP) canister
hose (A) and brake booster vacuum hose (B).
(cont’d)
08
09
10
11
9-4
Intake Manifold and Exhaust System
Intake Manifold Removal and Installation (cont’d)
C
A
B
B
C
A
D
D
A
B
5. Remove the water bypass hoses, then plug the
water bypass hoses.
6. Disconnect the intake manifold tuning (IMT) (intake
manifold runner control (IMRC)) valve actuator
control solenoid valve connector (A), then remove
the positive crankcase ventilation (PCV) hose (B)
and IMT (IMRC) valve control solenoid valve
mounting bolt (C).
7. Remove the front bumper (see page 20-90).
8. Disconnect the hood switch connector (A), then
remove the air conditioning (A/C) line bracket
mounting bolt (B), intake air duct mounting bolt (C),
and harness clamps (D).
9. Remove the upper bracket and cushion mounting
bolts (A), then remove the bulkhead (B).
12
21
22
Installation - K20A3 Engine
9-5
8 x 1.25 mm
22 N·m (2.2 kgf·m, 16 lbf·ft)
A
B
A
B
6 x 1.0 mm
9.8 N·m
(1.0 kgf·m, 7.2 lbf·ft)
6 x 1.0 mm
12 N·m (1.2 kgf·m, 8.7 lbf·ft)
10. Remove the engine wire harness connectors and
wire harness clamps from the intake manifold.
• Idle air control (IAC) valve connector
• Throttle position (TP) sensor connector
• Manifold absolute pressure (MAP) sensor
connector
• Evaporative emission (EVAP) canister purge
valve connector
• Intake manifold tuning (IMT) (Intake manifold
runner control (IMRC)) valve position sensor
connector
11. Remove the intake manifold.
1. Install the intake manifold (A), and tighten the bolts/
nuts in a crisscross pattern in two or three steps,
beginning with the inner bolt. Use new O-rings (B).
2. Install the bulkhead (A), then install the upper
bracket and cushion mounting bolts (B).
(cont’d)
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